{
  "layers" : [
    {
      "layerId" : 0, 
      "layerName" : "CDMX", 
      "layerType" : "Feature Layer", 
      "minScale" : 0, 
      "maxScale" : 0, 
      "legend" : [
        {
          "label" : "", 
          "url" : "F1660F01", 
          "imageData" : "iVBORw0KGgoAAAANSUhEUgAAACIAAAAbBAMAAADrHECUAAAABlBMVEVubm7+//9rHtLcAAAAAnRSTlP/AOW3MEoAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAfSURBVBiVYxBkQAWCDAIM5AFBZDAqQiURwgAzvjBEAPRWELpvPYu0AAAAAElFTkSuQmCC", 
          "contentType" : "image/png"
        }
      ]
    }]
}